Written in student performance terms, this curriculum guide on diesel engine repair is divided into the following eight sections: an orientation to the occupational field and instructional program; instruction in operating principles; instruction in engine components; instruction in auxiliary systems; instruction in fuel systems; instruction in electrical systems; instruction in engine performance; and instruction in welding. Each section consists of one or more units of instruction. Each instructional unit includes some or all of the following components: performance objectives, suggested activities for teacher and students, information sheets, assignment sheets, job sheets, visual aids, tests, and answers to the tests. Units are planned for more than one lesson or class period of instruction. Numerous diagrams supplement the text. (BM)